| A | B |
|---|
| natural resource | a usable stock or supply; naturally occurring substances used by man |
| man-made resource | a resource made by humans |
| conservation | the act of saving, protecting or using resources wisely |
| arable land | farmable land (land that is capable of producing crops) |
| coal | a sedimentary rock made from the compaction of ancient plant material |
| sand | small grain sized sediments usually composed of quartz |
| aggregates | a collection of loose materials, such as sand or pebbles |
| watershed | an area over which surface water (and the material it carries) flow to a single collection place |
| groundwater | water that seeps through the soil or rocks underground |
| lake | body of water with land on all sides |
| reservoir | an artificial or natural lake where water is collected as a water supply |
| river | a large stream that flows across land |
| bay | an inlet of the sea or some other body of water, usually smaller than a gulf |
